Update: After reading other forums, I downloaded Health Check plug in – I see under Loopback request the following message:
The loopback request to your site failed, this may prevent WP_Cron from working, along with theme and plugin editors.<br>Error encountered: (0) cURL error 28: Operation timed out after 10005 milliseconds with 0 bytes received
I think this is causing the editor issue above – how do I fix this?